Considering the demand of water source and water supply quantity in the phase IV of Yangshan deepwater port in Shanghai international shipping center,current situation of water consumption and environmental protection water source are analyzed.The ship-water saving system,rainwater collection system and wastewater recycling system are designed,which can improve the comprehensive utilization of water resources.Furthermore,the feasibility of applying sponge city concept on the port with automated containers is analyzed in order to ensure the safety of port drainage.To fully utilize the rainwater,rainwater allocation is also discussed.